Codes postaux 28XXX
- Code postal 28000 Chartres
- Code postal 28100 Dreux
- Code postal 28110 Lucé
- Code postal 28120 Illiers-Combray
- Code postal 28130 Maintenon
- Code postal 28140 Orgères-en-Beauce
- Code postal 28150 Voves
- Code postal 28160 Brou
- Code postal 28170 Châteauneuf-en-Thymerais
- Code postal 28190 Courville-sur-Eure
- Code postal 28200 Châteaudun
- Code postal 28210 Nogent-le-Roi
- Code postal 28220 Cloyes-sur-le-Loir
- Code postal 28230 Épernon
- Code postal 28240 La Loupe
- Code postal 28250 Senonches
- Code postal 28260 Anet
- Code postal 28270 Brezolles
- Code postal 28290 Arrou
- Code postal 28300 Mainvilliers
- Code postal 28310 Janville
- Code postal 28320 Gallardon
- Code postal 28330 Authon-du-Perche
- Code postal 28340 La Ferté-Vidame
- Code postal 28350 Saint-Lubin-des-Joncherets
- Code postal 28360 Dammarie
- Code postal 28380 Saint-Rémy-sur-Avre
- Code postal 28400 Nogent-le-Rotrou
- Code postal 28410 Bû
- Code postal 28480 Thiron-Gardais
- Code postal 28500 Vernouillet
- Code postal 28600 Luisant
- Code postal 28630 Le Coudray
- Code postal 28700 Auneau
- Code postal 28800 Bonneval